Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6375915 | Method of regenerating a spent pickling solution | Frank Barhold | 2002-04-23 |
| 4400958 | System for measuring the thickness of a strip emerging from a rolling mill | — | 1983-08-30 |
| 4355749 | Feeding apparatus for wet yarn | Karl-Heinz Wulfing | 1982-10-26 |